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Pick up available 09:00 a.m., Feb 01
Only 2 left
Quebec residents: For information on maintenance and repair click here.
Auto Services are available at your store
The Carlstar Fat Boy Trailer Tire Assembly is engineered for heavy-duty hauling, providing dependable durability and security for all your towing needs. Built with a thick tread and reinforced construction, it’s designed to withstand tough terrain and heavy loads, ensuring your cargo stays safe on the road. This reliable, low-maintenance tire is easy to install—just mount, inflate, and it’s ready for long-lasting performance haul after haul. Ideal for those seeking a straightforward, high-performance towing solution without the extra fuss.
Ideal for utility, boat, and livestock trailers
5-bolt pattern with 4.5" (11.4 cm) bolt circle for secure fit
Reinforced sidewalls prevent damage on rough terrain
Heat-resistant materials prevent tire degradation during long hauls
UV-resistant coating preserves tire quality in sun exposure
Designed for stability under high-speed towing conditions
Compatible with most standard trailer frames
Low-maintenance design for minimal upkeep
High-load rating ensures safe transport for heavy cargo
| Part Number | 417421 |
|---|---|
| Mileage Rating | 75000 km |
| Speed Rating | G |
| Load Index - Single | 84 |
| Winter Rated | No |
| Aspect Ratio Percent | 50.00 |
| Wheel Diameter | 10 in |
| Load Range | C |
| Ply Rating | 6 |
| Run Flat | No |
| Prefix Code | ST |
|---|---|
| Wheel Width Max | 6 in |
| Exclusive Winter Use | No |
| M+S Rated | No |
| Maximum Inflation Pressure | 50 psi |
| Sidewall Style | BSW |
| Size | ST205/50D10 84G |
| Tire Width | 205 mm |
| UTQG | 300/B/ |
| UTQG Traction Rating | B |
| Weight | 26.675 lb |
| Wheel Width Min | 6 in |
This product carries a manufacturer warranty. Please visit or contact your local Canadian Tire store for details. This product carries a manufacturer warranty. Please visit or contact your local Canadian Tire store for details.
View user manuals and additional product information
Pick Up is free at most stores (some stores require a minimum order value before tax)
Shipping fee is based on size and weight of products and distance from address to store
Same-Day Delivery costs $9.99 per order
Same-Day Delivery and Ship to Home are unavailable for tires and wheels
Most products can be returned or exchanged at any Canadian Tire store within 90 days of purchase
Some products are non-refundable and non-exchangeable
Special order hard parts and specific application automotive parts must be returned to original store of purchase
The return info outlined above may not apply to the product you are currently viewing. For complete details and exceptions, please refer to our Return Policy.
Only Show Differences | Currently Viewing | |||||
| Ratings | ||||||
| Tire Type | All Season | Bias Ply | Bias Ply | Bias Ply | Radial | |
| Studdable | N | Studless | Studless | Studless | Studless | |
| Directional Indicator | N |
